Polymarket Announces $3.9M Refund Plan After Script Compromise
Polymarket will refund $3.9 million following a security incident involving a compromised monitoring script.
Polymarket will refund $3.9 million following a security incident involving a compromised monitoring script. This is an original Token Times brief based on reporting by NewsBTC, with live market data added, as of Mon, 02 Nov 2026 01:30:01 UTC.
The incident highlights vulnerabilities in decentralized platforms' third-party integrations and the financial impact on users when such breaches occur.
- Polymarket's compromised script led to a $3.9M loss and trading pause.
- Refunds will cover direct losses and trading disruption costs.
- Polymarket's TVL dropped 12.7% over the past week to $351.6M.
Polymarket, a decentralized information markets platform, has announced a $3.9 million refund plan following a security breach involving a compromised third-party monitoring script. The incident, which occurred on October 29, led to a temporary trading pause and resulted in financial losses for users.
In an update on October 30, Polymarket clarified that the refund amount would cover both direct losses from the breach and the costs associated with the trading disruption. The platform assured users that it was taking steps to prevent similar incidents in the future.
The breach's impact is reflected in Polymarket's Total Value Locked (TVL), which dropped by 12.7% over the past week to $351.6 million, according to DeFiLlama. This decline indicates a potential loss of confidence among users and investors following the security incident.
The broader cryptocurrency market remains relatively stable, with the total market cap at $2.69 trillion and 
Bitcoin up by 1.08% in the last 24 hours. However, the Fear & Greed index remains at 37, indicating a sentiment of fear among investors.
The incident underscores the risks associated with decentralized platforms and the importance of robust security measures. Users and investors will be watching closely to see how Polymarket manages the situation and whether similar platforms will enhance their security protocols in response.
Figures and sectors in this story, checked live against on-chain aggregators · November 2, 2026.
Token Times reads these figures directly from on-chain aggregators (DeFiLlama, mempool.space) at build time — independent of what any outlet reported. Sector totals aggregate every protocol DeFiLlama tracks in that category. Values are live and will change.
Polymarket Announces $3.9M Refund Plan After Script Compromi — questions & answers
What caused the security breach on Polymarket?
The breach was caused by a compromised third-party monitoring script.
How much will Polymarket refund to affected users?
Polymarket will refund a total of $3.9 million to cover losses and trading disruption costs.
What is the current TVL of Polymarket?
Polymarket's TVL is $351.6 million, down 12.7% over the past week.
Which outlets reported this story?
This is an original Token Times brief that synthesises reporting from NewsBTC. It is not a copy of any one article — follow the source links above for the original reporting.
Original summary — not financial advice. This is an original Token Times brief that summarises a development reported elsewhere and adds live market data for context; it is not the original article and reproduces no part of it. Follow the source link above for full details. Crypto is volatile and high-risk — always do your own research.